Using LLDP on pfSense¶
Use the ladvd package available through the pfSense GUI.
Navigate to System > Packages, Available Packages tab
lldpor find it in the list
Click Install and Confirm
The package adds a menu entry under Services > LLDP.
The settings are under Services > LLDP, LLDP Settings tab.
At a minimum, check Enable, pick Interfaces, and then set other options as desired.
Navigate to Services > LLDP, LLDP Status tab. The neighbors will be printed in the lower box.